ABB S3 M93

    Hello everyone.

    I have an old ABB M93 S3 controller.This welding robot is configured with two stations external axes. With only one safety sensor protecting the operator during interchange.

    I have an issue with the Photoelectric safety sensor. When the robot is welding on station 1 on auto mode and the safety sensor beam is interrupted the motors goes off .It hapend only with the station 1 on robot.

    I hope some one help me with this issues

    Thanks

    If it has an SIB module, try reseating the connectors.

    I remember issues many, many years ago where the switches were replaced with the wrong type and another time the switches were incorrectly wired.

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